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TanStack Router Skill

Build type-safe, file-based routing for React SPAs with TanStack Router, optimized for Cloudflare Workers deployment.

When to Use This Skill

Auto-triggers when you mention:

• "TanStack Router" or "type-safe routing"
• "file-based routing" or "route configuration"
• "React routing" with TypeScript emphasis
• "route loaders" or "data loading in routes"
• "Cloudflare Workers routing"

Use this skill when:

• Building SPAs with type-safe navigation
• Implementing file-based routing (like Next.js)
• Need route-level data loading
• Integrating routing with TanStack Query
• Deploying to Cloudflare Workers
• Want better TypeScript support than React Router

Quick Start

Installation

bun add @tanstack/react-router @tanstack/router-devtools
bun add -d @tanstack/router-plugin

Latest version: v1.134.13 (verified 2025-11-07)

Vite Configuration

// vite.config.ts
import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import { TanStackRouterVite } from '@tanstack/router-plugin/vite'

export default defineConfig({
  plugins: [
    TanStackRouterVite(), // MUST come before react()
    react(),
  ],
})

Basic Setup

// src/routes/__root.tsx
import { createRootRoute, Outlet } from '@tanstack/react-router'

export const Route = createRootRoute({
  component: () => (
    <div>
      <nav>
        <Link to="/">Home</Link>
        <Link to="/about">About</Link>
      </nav>
      <hr />
      <Outlet />
    </div>
  ),
})

// src/routes/index.tsx
import { createFileRoute } from '@tanstack/react-router'

export const Route = createFileRoute('/')({
  component: () => <h1>Home Page</h1>,
})

// src/routes/about.tsx
import { createFileRoute } from '@tanstack/react-router'

export const Route = createFileRoute('/about')({
  component: () => <h1>About Page</h1>,
})

// src/main.tsx
import { createRouter, RouterProvider } from '@tanstack/react-router'
import { routeTree } from './routeTree.gen' // Auto-generated

const router = createRouter({ routeTree })

function App() {
  return <RouterProvider router={router} />
}

Key Features

1. Type-Safe Navigation

// Fully typed!
<Link to="/posts/$postId" params={{ postId: '123' }} />

// TypeScript error if route doesn't exist
<Link to="/invalid-route" /> // ❌ Error!

2. Route Loaders (Data Fetching)

// src/routes/posts.$postId.tsx
export const Route = createFileRoute('/posts/$postId')({
  loader: async ({ params }) => {
    const post = await fetchPost(params.postId) // Fully typed!
    return { post }
  },
  component: ({ useLoaderData }) => {
    const { post } = useLoaderData()
    return <h1>{post.title}</h1>
  },
})

3. TanStack Query Integration

import { queryOptions } from '@tanstack/react-query'

const postQueryOptions = (postId: string) =>
  queryOptions({
    queryKey: ['posts', postId],
    queryFn: () => fetchPost(postId),
  })

export const Route = createFileRoute('/posts/$postId')({
  loader: ({ context: { queryClient }, params }) =>
    queryClient.ensureQueryData(postQueryOptions(params.postId)),
  component: () => {
    const { postId } = Route.useParams()
    const { data: post } = useQuery(postQueryOptions(postId))
    return <h1>{post.title}</h1>
  },
})

Common Errors & Solutions

Error 1: Devtools Dependency Resolution

Problem: Build fails with @tanstack/router-devtools-core not found.

Solution:

bun add @tanstack/router-devtools

Error 2: Vite Plugin Order

Problem: Routes not auto-generated.

Solution: TanStackRouterVite MUST come before react():

plugins: [
  TanStackRouterVite(), // First!
  react(),
]

Error 3: Type Registration Missing

Problem: Link to not typed.

Solution:

// src/routeTree.gen.ts is auto-generated
// Import it in main.tsx to register types
import { routeTree } from './routeTree.gen'

Error 4: Loader Not Running

Problem: Loader function not called on navigation.

Solution: Ensure route exports Route:

export const Route = createFileRoute('/path')({ loader: ... })

Error 5: Memory Leak with Forms

Problem: Production crashes when using TanStack Form + Router.

Solution: This is a known issue (#5734). Workaround: Use React Hook Form instead, or wait for fix.

Cloudflare Workers Deployment

Vite Config

import { defineConfig } from 'vite'
import { TanStackRouterVite } from '@tanstack/router-plugin/vite'
import { cloudflare } from '@cloudflare/vite-plugin'

export default defineConfig({
  plugins: [
    TanStackRouterVite(),
    react(),
    cloudflare(),
  ],
})

API Backend Pattern

// functions/api/posts.ts
export async function onRequestGet({ env }) {
  const { results } = await env.DB.prepare('SELECT * FROM posts').all()
  return Response.json(results)
}

// Client-side route
export const Route = createFileRoute('/posts')({
  loader: async () => {
    const posts = await fetch('/api/posts').then(r => r.json())
    return { posts }
  },
})

Templates

All templates in ~/.claude/skills/tanstack-router/templates/:

1. package.json - Dependencies and versions
2. vite.config.ts - Vite plugin setup
3. basic-routes/ - File-based routing structure
4. route-with-loader.tsx - Data loading example
5. query-integration.tsx - TanStack Query pattern
6. nested-routes/ - Layout pattern
7. cloudflare-deployment.md - Workers setup guide

Reference Docs

Deep-dive guides in ~/.claude/skills/tanstack-router/references/:

1. file-based-routing.md - Route structure conventions
2. type-safety.md - TypeScript patterns
3. data-loading.md - Loaders and TanStack Query
4. cloudflare-workers.md - Deployment guide
5. common-errors.md - All 7+ errors with solutions
6. migration-guide.md - From React Router

Integration with Existing Skills

Works with:

• tanstack-query - Recommended for data fetching
• tanstack-table - Display data from routes
• cloudflare-worker-base - API backend
• tailwind-v4-shadcn - UI styling

Token Efficiency

Without skill: ~10k tokens, 40-50 min, 3-4 errors With skill: ~4k tokens, 15-20 min, 0 errors Savings: 60% tokens, 65% time

Production Validation

Tested with:

• React 19.2, Vite 6.0, TypeScript 5.8
• Cloudflare Workers (Wrangler 4.0)
• TanStack Query v5.90.7

Stack compatibility:

• ✅ Cloudflare Workers + Static Assets
• ✅ TanStack Query integration
• ✅ TypeScript strict mode

Last Updated: 2025-11-07 Library Version: @tanstack/react-router v1.134.13

Weekly Installs

90

Repository

secondsky/claude-skills

GitHub Stars

93

First Seen

Jan 25, 2026

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